3 years ago

Explain how knowing 1+7 helps you find the sum for 7+1

2 answers:

8 0

Because they equal the same thing

3 0

1+7 and 7+1 equal the same amount. It doesn't matter which position the number is in. The sum will be 8 either ways. Hope that helps :)

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Rudiy27

1 $\frac{3}{10}$

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2 years ago

Natali [406]

Answer: 45

Step-by-step explanation:

$RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45$

7 0

10 months ago

Eddi Din [679]

3+5+2+6=16 in each bag multiply or divide sorry not that much of an answer

6 0

2 years ago

dalvyx [7]

4x + 3y = 9
4x - 4x + 3y = -4x + 9
   3y = -4x + 9
      3    3
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7 0

3 years ago

RSB [31]

width= w

length = l=w+5

Area = l * w

104 =(w+5) * w

w2 +5w -104 =0

(w+13)(w-8)=0

w=13 and w=8

so width =8

length=13

5 0

3 years ago